package com.itheima.reggie.exception;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

@ControllerAdvice(annotations = {RestController.class, Controller.class})//给Controller请求加处理异常的注解
@ResponseBody
public class GlobalExceptionHandler {

    //要处理那个异常处理方法
@ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> SQLIntegrityConstraintViolationException(SQLIntegrityConstraintViolationException ex)
{
    if(ex.getMessage().contains("Duplicate entry"))
    {
        String [] split=ex.getMessage().split(" ");
        String msg=split[2]+"已存在";
        return  R.error(msg);
    }
    return R.error("未知错误");
}
    //要处理那个异常处理方法
    @ExceptionHandler(CustomException.class)
    public R<String> CustomException(CustomException ex)
    {

        return R.error(ex.getMessage());

    }
}
